A Certain Scientific Railgun A Certain Scientific Railgun S Episode 3 Project Radio Noise ( Air Date 2013-04-26 ) Genre Animation, Action & Adventure, Comedy, Sci-Fi & Fantasy category. Overview "Rumors swirl about that Misaka is the template for a project to produce Level 5 clones. When Nunotaba refers to her as the "Original," Misaka decides to check her out, and learns that she worked at the hospital where Misaka submitted her DNA map.".